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RESEARCH: Monthly Park Effects

By Arik Florimonte
May 10th, 2017 11:05pm

Introduction
It’s May, and spring has arrived across North America. Ballparks are heating up, and as they do, baseballs are flying further. The seasons also bring changes in wind patterns and humidity, each of which also affects batted balls. But how much? And do the differences in the baseball’s “carry” explain the differences in the deserved-HR park factors? Today we’ll find out.